Newbie question re Hiera

[Alex Samad]

Hi

I have a greenfield install. Centos 6.x puppet opensource latest.  installed r10k.

I have setup my git repo, used the control repo as a starting spot.

now I am getting my head around hiera 

Looking at this https://docs.puppet.com/hiera/3.1/complete_example.html  I understand the way that works for each environment.

But how do I use hiera to allocate nodes to environments ?

for example can I classify by name regex, so all hosts with name ".*prod.*" is in production and ".*inf.*" into inf environment 

can I also classify by ip address ?

[Rob Nelson]

Typically, you wouldn't actually classify or assign environment via hiera. That's a value provided to the master during checkin, either as a CLI argument or in puppet.conf. You could, of course, manage that file and provide an environment value through hiera. But that would change the environment used on next run, not the current run.

If you're in a master less environment, you could do some magic with hiera cli/puppet lookup to find a value for the environment then call puppet apply with that environment, but that seems a bit needlessly complex at that point.

You would typically use hiera to classify the node and assign the classes it receives, though. That would be done with hiera_include('some_key'), where somekey is found in your hierarchy with the proper value. 

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[Alex Samad]

Done some more reading.

I'm have a  master puppet server

I had thought to use hiera. seems like i need to setup ENC https://docs.puppet.com/guides/external_nodes.html

Alex

On Wednesday, 22 June 2016 10:39:34 UTC+10, Rob Nelson wrote:

Typically, you wouldn't actually classify or assign environment via hiera. That's a value provided to the master during checkin, either as a CLI argument or in puppet.conf. You could, of course, manage that file and provide an environment value through hiera. But that would change the environment used on next run, not the current run.

If you're in a master less environment, you could do some magic with hiera cli/puppet lookup to find a value for the environment then call puppet apply with that environment, but that seems a bit needlessly complex at that point.

You would typically use hiera to classify the node and assign the classes it receives, though. That would be done with hiera_include('some_key'), where somekey is found in your hierarchy with the proper value. 

On Tuesday, June 21, 2016, Alex Samad <al...@samad.com.au> wrote:

Hi

I have a greenfield install. Centos 6.x puppet opensource latest.  installed r10k.

I have setup my git repo, used the control repo as a starting spot.

now I am getting my head around hiera 

Looking at this https://docs.puppet.com/hiera/3.1/complete_example.html  I understand the way that works for each environment.

But how do I use hiera to allocate nodes to environments ?

for example can I classify by name regex, so all hosts with name ".*prod.*" is in production and ".*inf.*" into inf environment 

can I also classify by ip address ?

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Rob Nelson
rnel...@gmail.com

[Trevor Vaughan]

Hi Alex,

You can use this Gist to do what you want: https://gist.github.com/trevor-vaughan/2c404efd0f1f881bbf56eef7bc949eb0

Thanks,

Trevor

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Trevor Vaughan
Vice President, Onyx Point, Inc

(410) 541-6699 x788

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